diff --git a/Dockerfile b/Dockerfile
index 4f7f3c0..5ad1c72 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,8 @@
-FROM ubuntu:latest
+FROM alpine:latest
 
-# 更新並安裝必要的工具後清理暫存檔案以減小映像檔大小
-RUN apt update \
-    && apt install -y curl jq unzip \
-    && rm -rf /var/lib/apt/lists/*
+# 更新並安裝必要的工具
+RUN apk update \
+    && apk add --no-cache curl jq bash
     
 COPY entrypoint.sh /entrypoint.sh